Home / 107,086.28-147,776.55-61,764.35

Finding the Fourth Proportional to 107,086.28, 147,776.55 and 61,764.35

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Solution

The fourth proportional to 107,086.28, 147,776.55 and 61,764.35 is: 85,233.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,086.28 : 147,776.55 = 61,764.35 : x
  2. Step 2: Convert to fraction form
    107,086.28/147,776.55 = 61,764.35/x
  3. Step 3: Cross multiply
    107,086.28x = 147,776.55 × 61,764.35
  4. Step 4: Simplify right side
    107,086.28x = 9,127,322,555.99
  5. Step 5: Solve for x
    x = 9,127,322,555.99/107,086.28
  6. Step 6: Final answer
    x = 85,233.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.